/*
* Snakes on a Payload
* Copyright (C) 2011 CORE Security Technologies
* 
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
* 
* Authors:
* 2011/09/11 - Pedro Varangot (pvarangot@)
* 2011/09/11 - Fernando Russ (fruss@)
*/

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/mman.h>
#include <dlfcn.h>

//int main2(int, char **);
static int ala;
int (*func_ptr)(void*, void*) = NULL;

int main(int argc, char **argv)
{
  void *buff;
  FILE *fp;
  int rv = -1;

  if(argc != 2) {
      printf("You must supply a file to read\n");
      return 1;
  }

  buff = dlopen;
  buff = dlsym;

  buff = mmap(NULL, 400*1024, PROT_READ | PROT_WRITE | PROT_EXEC,
              MAP_PRIVATE | MAP_ANONYMOUS,
              0, 0);

  fp = fopen(argv[1], "r");

  fread(buff, 1, 200*1024, fp);
  //main2(argc, argv);
  ala = 0;


  func_ptr = buff;
  rv = func_ptr(dlopen, dlsym);

  if(rv != 0) {
    printf("rv not 0: %d\n", rv);
    return -1;
  } else {
    printf("TEST OK: %s\n", argv[1]);
    return 0;
  }
} 
